🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 10.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,754,008 km

• M1: 125,662 km (0.091 R)
• M2: 457,769 km (0.092 R)
• M3: 844,630 km (0.088 R)
• M4: 1,180,028 km (0.07 R)
• M5: 1,544,000 km (0.088 R)
• M6: 1,868,926 km (0.117 R)
• M7: 2,266,857 km (0.094 R)
• M8: 2,592,830 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.5

Radius: 10.9

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.13 AU - 3.13 AU

Year: 2893 Days

Day: 7.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,754,008 km

• M1: 136,732 km (0.11 R)
• M2: 493,523 km (0.106 R)
• M3: 1,481,917 km (0.032 R)
• M4: 2,551,541 km (0.09 R)
• M5: 3,067,804 km (0.103 R)
• M6: 3,691,627 km (0.105 R)
• M7: 4,376,037 km (0.078 R)
• M8: 5,143,324 km (0.038 R)
• M9: 5,755,778 km (0.106 R)
• M10: 6,387,829 km (0.077 R)
• M11: 7,004,771 km (0.049 R)
• M12: 7,596,879 km (0.056 R)
• M13: 9,169,003 km (0.107 R)
• M14: 9,687,958 km (0.053 R)
• M15: 10,070,480 km (0.094 R)
• M16: 10,502,967 km (0.112 R)
• M17: 10,906,732 km (0.052 R)
• M18: 13,269,930 km (0.1 R)
• M19: 14,521,615 km (0.08 R)
• M20: 16,168,089 km (0.105 R)
• M21: 17,482,306 km (0.096 R)
• M22: 18,455,291 km (0.088 R)
• M23: 19,951,270 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 14.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.5 AU - 3.7 AU

Year: 3702 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,754,008 km

• M1: 246,388 km (0.105 R)
• M2: 724,203 km (0.115 R)
• M3: 1,306,438 km (0.106 R)
• M4: 1,960,929 km (0.087 R)
• M5: 4,603,426 km (0.104 R)
• M6: 5,285,442 km (0.093 R)
• M7: 6,115,561 km (0.084 R)
• M8: 6,911,870 km (0.102 R)
• M9: 7,428,581 km (0.096 R)
• M10: 7,938,261 km (0.118 R)
• M11: 10,489,653 km (0.083 R)
• M12: 12,059,982 km (0.11 R)
• M13: 12,811,412 km (0.075 R)
• M14: 13,546,835 km (0.101 R)
• M15: 14,020,612 km (0.117 R)
• M16: 16,291,807 km (0.08 R)
• M17: 19,210,910 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 10.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.41 AU - 4.81 AU

Year: 6713 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,754,008 km

• M1: 129,402 km (0.057 R)
• M2: 589,565 km (0.069 R)
• M3: 994,975 km (0.102 R)
• M4: 1,408,314 km (0.111 R)
• M5: 1,823,448 km (0.06 R)
• M6: 3,263,627 km (0.066 R)
• M7: 3,697,311 km (0.085 R)
• M8: 4,707,995 km (0.111 R)
• M9: 5,438,481 km (0.092 R)
• M10: 5,893,408 km (0.076 R)
• M11: 6,439,440 km (0.075 R)
• M12: 7,124,748 km (0.081 R)
• M13: 8,885,366 km (0.077 R)
• M14: 11,644,698 km (0.065 R)
• M15: 14,582,501 km (0.099 R)
• M16: 16,191,426 km (0.058 R)
• M17: 17,327,772 km (0.081 R)
• M18: 17,718,073 km (0.102 R)
• M19: 20,400,362 km (0.079 R)
• M20: 21,055,751 km (0.103 R)
• M21: 23,659,202 km (0.07 R)
• M22: 25,038,196 km (0.084 R)
• M23: 25,621,179 km (0.115 R)
• M24: 30,711,844 km (0.089 R)
• M25: 32,844,811 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.7

Radius: 5.3

Gravity: 33.1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.93 AU - 7.61 AU

Year: 11947 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 78 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,754,008 km

• M1: 65,973 km (0.114 R)
• M2: 236,813 km (0.114 R)
• M3: 933,042 km (0.116 R)
• M4: 1,202,019 km (0.094 R)
• M5: 1,390,213 km (0.109 R)
• M6: 1,759,421 km (0.093 R)
• M7: 2,058,616 km (0.109 R)
• M8: 2,827,549 km (0.117 R)
• M9: 3,016,342 km (0.115 R)
• M10: 3,633,882 km (0.103 R)
• M11: 5,688,309 km (0.116 R)
• M12: 6,708,268 km (0.055 R)
• M13: 9,569,477 km (0.071 R)
• M14: 11,354,030 km (0.056 R)
• M15: 14,017,769 km (0.063 R)
• M16: 16,762,292 km (0.052 R)
• M17: 17,070,463 km (0.06 R)
• M18: 24,057,432 km (0.066 R)
• M19: 43,144,923 km (0.103 R)
• M20: 44,161,291 km (0.102 R)
• M21: 53,204,932 km (0.045 R)
• M22: 54,710,335 km (0.089 R)
• M23: 55,729,545 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 17,689 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit